Electromagnetic separator.



a. museum, ELECTROMAGNETIC SEPABA'I'OB.

APPLIUATIOI FILED APE- 1912.

Patented flct. .21, 1913.

'2 SHEETS-SHEET 1.

WiTrJESSES t TE Enro -r LANGGUTH, or NEERPELL ELGIUM.

ntnornomaennrrc snra'naron',

. To' all whom'z't may concern I Be lhrkllOWIl that LEnrcn LANGGUTH,

. engineer, a subject of the German Emperor,

, residing at. Nee1-pelt, Belgium, have invented certain newand' usefulImprovements in Electroina'gnet-ic Separators;iand I do here- ",bydeclare the 'followin to he a full, clear, and exact description 0 theinvention, such as will enable others skilled in the art to IQ-Whjiclrit appertains to make and use the 1 same.

This invention relates to an electromagnetic sep rator forseparating'ore suspended in -wat nd comprises a stationary in-1-5d'uetion .y, the separating surface of cuts a closed ring relativelyto ltipolar system of magnets is fOwing to the rotation of the v eti'csystem within or above the ring,

' niaxi'ma and minima-ot magnetic attraction are produced on itssurface, while the mate rial to be separated is sin'iultaneouslytransferred to the induction body by means of channels which participatein the rotation. f constructionaccording to this invennon, isillustrated in the accompanying j 1rawi11gs in which, 7 Figure l is aVertical section, and a plan. Fig, 3 is a partial plan'view of the Figs.5 and 6 are partial views, taken insectio'n'on lines 'lV-X and Y-Zrespectively of Fig. 3. I

The material to be separated pas from i a stationary feed hopper J intothe rotating annular hopper L, from which outlet branches M lead to therotating supply channels A. These channels are arranged above thefour-pole rotatable magnetic tern B, and the material, falls from thechannels on to the stationaryinduction ring D having afunnel-shapedinner surface.

The induction ring D is provided in a well known manner with radialgrooves, tor the purpose of increasing the area of the sur face undermagnetic influence.

The material passing from the channels A over the induction ring'l), isseparated below the magnet poles Bin such a man .ner that thediamagnetic material is discharged, while the magnetic material remainsadherent to the rin After a quar ter of a revolution the wholecircumference of the ring D has been passed by the sup- Specification ofLetters'Patent.

apparatus, drawn upon an enlarged scale,

Patented Oct. 21,1913;

kpp'licationfi ied hpril a, 1912; Serial n0. t33,361.

ply channels and covered With magnetic material. It is then freed fromthe material in question by a series of rinsing nozzles H which rotatetogether with the magnetic system, washing oft the'magnetic'material atthe point where the magnetic attraction is a minimum at the moment. Thenozzlesor ejectors H are supplied with water from an annular tank Gr,rotating with the magnets B. l 4

In' order to prevent the washed-off magnetic material from'passing intothe same circular collecting channel as the diamag-i netic materialdischarged during the teed- 7 ing, the rotating magnetic system isprovided with a conical sheet-metal tray E which is provided at pointscorresponding in number to the poles with recesses or outlets R, R, RThe diamagnetic material 7'5 can fall through one recess R- and arrivesatthe collector channel K; the washethofi' magnetic material passesthrough another recess or outlet B into the collector chan nel F and themedium material passes 30 through the third recess or outlet it into acentral collector channel N. The material passes from the recesses oroutlets ll", to the collector channels K, N, F, through chutes or spoutsO, l, and Q respectively. 35

The magueti. separator desrz-ihed differs frol'n all well known devicesby the scparw tion being ctl'ccted on a stationary surface, and by themagnetic iiatcrial remaining at rest on the said surface, until it iswashed off by a jet oi water at the weakest magnetic point of themagnetic field. Jiny secmidarj' forces such as ('t1!llli l"'1 torce andthe like, are therefore eliminatedsuch fi'i'irccs coming into pla wherethe separation is etiected on a rotary iu u-siion tray. 'lhez csccoiulary forces exercise an unfavorable elicct on the separation, moreparticulari when suhstances which have weal; magnetic proper tiesaroheing dealt \iit'u. )wiug to the suppression of the said secondaryforces, and more particularly of centrifugal force, the device accordi gto this invention is speciallysuitahle ttor those bodies which have onlyweak magnetic properties.

The number of outer or operativepoles in this device can he Yaried asdesired but when it is an even numberas shown, I pre for that adjoiningoperative poles have opposit-e polarities.

Claims; I v

1. electromagnetic separator comprismagnetically plurality of magnetsheld to rotate to- 1131' and provided with operative'poles ofalternately opposite polarity, a feed channel held to rotate with saidmagnets, and a stat'ionarymagnetically induced ring" located adjacenttothe path of the operative magnet poles and adapted to receive thematerial to be treated, from the said rotary channel. w 2. Anelectromagnetic separator comprisinn a rotary magnet, a feed channelheld to rotate with said magnet, and a stationary I induced ring locatedadjacent to the pathof the operative magnet pole and having an upwardlyfacing surface adapted to reccive' and' temporarilysupport the ma.-tcrial to be treated, from said rotary channel.

kn electromae'nctic so )arator com nrismg a rotary magnet, a stationarymagneti cally induced body located adjacent .to the path of theoperative magnet pole, means for feeding" the material to be treated, to

'said stationar' bod I and a 'etroducin .a I l )5 device held to rotatewith the magnet and arranged: body.

"I. An electromagnetic separator, comprising a rotary magnet, astationary magnetically induced body located adjacent to .the

. path of the operative magnet pole and hav- 111;; an upwardly facingsurface, andmeans for feeding the material to be treated, t0

said surface of the stationary body.

1 An electromagneticseparator, 'compris' 'ing a rotary magnet; astationary magnetically induced body locate-d adjacent to the path ofthe operative magnet pole,

means for feeding the material to be treated, to said stationary body,and means for clearing .the material from said body.

6. An electromagnetic so )arator com'oris 1 I a l ing a rotary magnet,stationary magnetically lj'KldO'dCl body located adjacent to the path ofthe operative magnet pole, means, held to rotate with the magnet, forfeeding the material to betreated, to said stationary body, and means,likewise held to clear the material from said to rotate with the magnet,for clearin the material from the said body.

. 7. An electromagnetic separator, compris;

ing' a rotary magnet, a stationary magnetically induce body locatedadjacent to the path of the operative magnet pole, means I.

for feeding the material to be treated, to-

said stationary body', meansfor clearing the material from said body,and separate collectors for receiving particles of different magneticbehavior.

8. An electromagnetic separator, compris 1 ing' a rotary magnet, aring-like stationary magnetically induced body located adjacent to thepath of the operative magnet pole and haying" an upwardly directedsurface, means for'feeding' the material to be treated, to. saidupwardly directed surface, and means for blowing the material from saidsurface.

9. An electromagnetic separator, compristhe path of the operativemag'net pole and having an upwardly directed surface, means,

held to rotate with the magnet, for feeding the material to saidupwardlydirected sur face, and additional means, likewise held to rotatewith the magnet, for blowing the mater al from-sald surface.

In testimony whereof, I have signed this specification 1n the presenceof two subscribin; witnesses.

' ERICH LANGGUTH.

,Witnesses nssm F. DUNLAP, T TIIRAISBEIZENG.

